Analysis
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max time kernel
148s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:09
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD61B8.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD61B1.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4740 !WannaDecryptor!.exe 400 !WannaDecryptor!.exe 1616 !WannaDecryptor!.exe 3240 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 1836 taskkill.exe 4068 taskkill.exe 460 taskkill.exe 3132 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4068 taskkill.exe Token: SeDebugPrivilege 3132 taskkill.exe Token: SeDebugPrivilege 1836 taskkill.exe Token: SeDebugPrivilege 460 taskkill.exe Token: SeIncreaseQuotaPrivilege 2792 WMIC.exe Token: SeSecurityPrivilege 2792 WMIC.exe Token: SeTakeOwnershipPrivilege 2792 WMIC.exe Token: SeLoadDriverPrivilege 2792 WMIC.exe Token: SeSystemProfilePrivilege 2792 WMIC.exe Token: SeSystemtimePrivilege 2792 WMIC.exe Token: SeProfSingleProcessPrivilege 2792 WMIC.exe Token: SeIncBasePriorityPrivilege 2792 WMIC.exe Token: SeCreatePagefilePrivilege 2792 WMIC.exe Token: SeBackupPrivilege 2792 WMIC.exe Token: SeRestorePrivilege 2792 WMIC.exe Token: SeShutdownPrivilege 2792 WMIC.exe Token: SeDebugPrivilege 2792 WMIC.exe Token: SeSystemEnvironmentPrivilege 2792 WMIC.exe Token: SeRemoteShutdownPrivilege 2792 WMIC.exe Token: SeUndockPrivilege 2792 WMIC.exe Token: SeManageVolumePrivilege 2792 WMIC.exe Token: 33 2792 WMIC.exe Token: 34 2792 WMIC.exe Token: 35 2792 WMIC.exe Token: 36 2792 WMIC.exe Token: SeIncreaseQuotaPrivilege 2792 WMIC.exe Token: SeSecurityPrivilege 2792 WMIC.exe Token: SeTakeOwnershipPrivilege 2792 WMIC.exe Token: SeLoadDriverPrivilege 2792 WMIC.exe Token: SeSystemProfilePrivilege 2792 WMIC.exe Token: SeSystemtimePrivilege 2792 WMIC.exe Token: SeProfSingleProcessPrivilege 2792 WMIC.exe Token: SeIncBasePriorityPrivilege 2792 WMIC.exe Token: SeCreatePagefilePrivilege 2792 WMIC.exe Token: SeBackupPrivilege 2792 WMIC.exe Token: SeRestorePrivilege 2792 WMIC.exe Token: SeShutdownPrivilege 2792 WMIC.exe Token: SeDebugPrivilege 2792 WMIC.exe Token: SeSystemEnvironmentPrivilege 2792 WMIC.exe Token: SeRemoteShutdownPrivilege 2792 WMIC.exe Token: SeUndockPrivilege 2792 WMIC.exe Token: SeManageVolumePrivilege 2792 WMIC.exe Token: 33 2792 WMIC.exe Token: 34 2792 WMIC.exe Token: 35 2792 WMIC.exe Token: 36 2792 WMIC.exe Token: SeBackupPrivilege 2316 vssvc.exe Token: SeRestorePrivilege 2316 vssvc.exe Token: SeAuditPrivilege 2316 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4740 !WannaDecryptor!.exe 4740 !WannaDecryptor!.exe 400 !WannaDecryptor!.exe 400 !WannaDecryptor!.exe 1616 !WannaDecryptor!.exe 1616 !WannaDecryptor!.exe 3240 !WannaDecryptor!.exe 3240 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2268 wrote to memory of 848 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2268 wrote to memory of 848 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2268 wrote to memory of 848 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 848 wrote to memory of 1740 848 cmd.exe cscript.exe PID 848 wrote to memory of 1740 848 cmd.exe cscript.exe PID 848 wrote to memory of 1740 848 cmd.exe cscript.exe PID 2268 wrote to memory of 4740 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 4740 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 4740 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 1836 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 1836 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 1836 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 4068 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 4068 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 4068 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 3132 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 3132 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 3132 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 460 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 460 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 460 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2268 wrote to memory of 400 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 400 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 400 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 2080 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2268 wrote to memory of 2080 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2268 wrote to memory of 2080 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2080 wrote to memory of 1616 2080 cmd.exe !WannaDecryptor!.exe PID 2080 wrote to memory of 1616 2080 cmd.exe !WannaDecryptor!.exe PID 2080 wrote to memory of 1616 2080 cmd.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 3240 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 3240 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2268 wrote to memory of 3240 2268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1616 wrote to memory of 3332 1616 !WannaDecryptor!.exe cmd.exe PID 1616 wrote to memory of 3332 1616 !WannaDecryptor!.exe cmd.exe PID 1616 wrote to memory of 3332 1616 !WannaDecryptor!.exe cmd.exe PID 3332 wrote to memory of 2792 3332 cmd.exe WMIC.exe PID 3332 wrote to memory of 2792 3332 cmd.exe WMIC.exe PID 3332 wrote to memory of 2792 3332 cmd.exe WMIC.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 240931715396978.bat2⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1740
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4740 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1836 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4068 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3132 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:460 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:400 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2792 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3240
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2316
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD5eac6fa4d3fcfbe3364f14b021a2a1e49
SHA11a0610be759b7cd60eb43e2269cc7945664a25f5
SHA2569b55bf545acf517a1e7ceb963957646fbb867bd3fa0045ca0207d7c347c8f5c4
SHA5121e340ad4e96bb6902e78ef5c4b2d8c8c70f4d215f529dbaabba2c25017cd1ada95dd77d4d245c1badeaebe0fe94ac6cace8d6a078dca5ab1a7a7a2b3b6cdb9a3
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5508bada8efbcc925098b95d829f9a664
SHA1adea0c906c832c81237d21d79f8c240caca12f36
SHA256263c038c37b347be1ba7ee96b239c08b60e088b5ca3f2154ac050d66becd454d
SHA51203ca0d88c1bd9569f6b93b7fb2bd7b125d0cae68d52c4260cec68b72af74c9f352399f873230de4b9cf96b8796c72aeafc90d7c5b1771188ae572f749ae5d4b2
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e3e7868e085b630951e7f3596b05d673
SHA1894ad59e55d215f39adf38401e9b0dae2de1a2ca
SHA25627bacfce15d34a4e4bb244c4910f4e666b0a9c99e41166f768b3f76e77cacc35
SHA512f811db5878d4ff1cf48e06d22197db56e7803031d38aac5785bbc95290e8f293319705cb764c58ab6d01ca4b3b6428b5121686caec712179406b806b2be45579
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5ee1cccbf339b8a9986940bbf972ed2d4
SHA1e47453e6ec625574285d2c35799238afeb30b16d
SHA256fcad421cb1fd71e2be63c4e3d6ab443cc87fc1293d6fd0f0fd4ffe405f9094c8
SHA51208af40545bd7cfa090690e135d55da6294a936e190cfa98f5ac5f379526a0707f304a1e18036e7ae52e8cba726585bf9b51f08d199b5cfdf7edcf675f0f46722
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C:\Users\Admin\AppData\Local\Temp\240931715396978.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD548e0b3bd93b19d27fb2636ecf01816eb
SHA1e237074013aa8721ce7a0af58a98d20d1ae52d50
SHA256fa6b997613e9eb554f49d86407822d4fda86f052cc28a4151f12fdfc7bd3dd78
SHA512ec89df325f5e82f8075c6f7e89bf4fdabbf7c2b54f5401b70070b78d1229ddd8d4aeafec31c68621f04ebd6c7004ae0f51211f85451b1281ae10809f781b4398
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C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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memory/2268-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB
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memory/2268-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB